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Can you change what a symlink points to after it is created?

... alternately. Editor's note: This is how Capistrano has done it for years now, ever since ~2.15. See this pull request. share | improve this answer | follow |...
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Awaiting multiple Tasks with different results

...eTask; var car = await carTask; You can also use Task.Result (since you know by this point they have all completed successfully). However, I recommend using await because it's clearly correct, while Result can cause problems in other scenarios. ...
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How is a CRC32 checksum calculated?

... x^5 + x^4 + 3*x^3 + x^2 + x^1 + x^0 (or that original number we had) I know this is a leap of faith but this is beyond my capability as a line-programmer. If you are a hard-core CS-student or engineer I challenge to break this down. Everyone will benefit from this analysis. So to work out a full...
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Can I incorporate both SignalR and a RESTful API?

... @davids.s: I know, that I'm a little late, but thanks for the link. I've added an excerpt for further readers. – Dennis Aug 21 '15 at 7:18 ...
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What are the most-used vim commands/keypresses?

... I've never seen this before, very cool reference for after you know what the commands do. – amccormack Mar 23 '11 at 4:27 3 ...
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Tool to convert Python code to be PEP8 compliant

I know there are tools which validate whether your Python code is compliant with PEP8, for example there is both an online service and a python module . ...
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Is there a way to “autosign” commits in Git with a GPG key?

...to make sure your commits are signed, there is a proposal (branch 'pu' for now, December 2013, so no guarantee it will make it to a git release) to add a config which will take care of that option for you. Update May 2014: it is in Git 2.0 (after being resend in this patch series) See commit 2af2ef...
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Task not serializable: java.io.NotSerializableException when calling function outside closure only o

...e Serialisable interface, so this is not what's causing your task to fail. Now this doesn't mean that you can serialise an RDD with Spark and avoid NotSerializableException Spark is a distributed computing engine and its main abstraction is a resilient distributed dataset (RDD), which can be viewed...
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Can you list the keyword arguments a function receives?

...argspec(func) (['a', 'b', 'c'], 'args', 'kwargs', (42,)) If you want to know if its callable with a particular set of args, you need the args without a default already specified. These can be got by: def getRequiredArgs(func): args, varargs, varkw, defaults = inspect.getargspec(func) if ...
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Python __call__ special method practical example

I know that __call__ method in a class is triggered when the instance of a class is called. However, I have no idea when I can use this special method, because one can simply create a new method and perform the same operation done in __call__ method and instead of calling the instance, you can c...